crowd vs separation

crowd

noun
  • A group of people united or at least characterised by a common interest. 

  • A group of people congregated or collected into a close body without order. 

  • A fiddle. 

  • The so-called lower orders of people; the populace, vulgar. 

  • Several things collected or closely pressed together; also, some things adjacent to each other. 

verb
  • To carry excessive sail in the hope of moving faster. 

  • To press together or collect in numbers 

  • To press forward; to advance by pushing. 

  • To push, to press, to shove. 

  • To approach another ship too closely when it has right of way. 

  • To fill by pressing or thronging together 

  • To press by solicitation; to urge; to dun; hence, to treat discourteously or unreasonably. 

  • To press or drive together, especially into a small space; to cram. 

separation

noun
  • The act or condition of two or more people being separated from one another. 

  • Departure from active duty, while not necessarily leaving the service entirely. 

  • An agreement legalizing such an arrangement. 

  • An object that separates two spaces. 

  • The act of disuniting two or more things, or the condition of being separated. 

  • The place at which a division occurs. 

  • An interval, gap or space that separates things or people. 

  • The act or condition of a married couple living in separate homes while remaining legally married. 

How often have the words crowd and separation occurred in a corpus of books? (source: Google Ngram Viewer )